Project Description: Demolition of existing Seattle Center perimeter bollards. Replace with owner provided Gibraltar security bollards at designated locations to meet specific anti-terrorism criteria. Installation includes new mechanical bollard system with sump pump and HPU. Repair of concrete and ground finishes to match existing.Engineer's Estimate: $650k (not including tax)Project Location: Seattle Center Campus / Exterior Grounds, 305 Harrison St. Seattle, WA 98109